baber/WOPTO huggingface dataset:
Patent GB-596031-A (GB)
Title: Improvements relating to fluid pressure braking apparatus of the vacuum type
IPC: B60T13/46
Filed: 1945-07-16
Abstract: 596,031. Fluid - pressure - operated brakes. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., and BRACKENBURY, A. G. July 16, 1945, No. 18121. [Class 103 (i)] In order to accelerate the propagation of the pressure increase in the brake control pipe of vacuum brakes for railway and like vehicles, of the kind in which the vacuum normally existing in the brake pipe is reduced to apply the brakes, a limited amount of air under pressure is supplied to the brake pipe when an application is made. The driver's valve 1 is shown in the application position. In the running position, a reservoir 10 is connected to a supply pipe 9 through a port 32 in the valve member 3 and pipe 11. In the application position the brake pipe 6 is cut off from the vacuum source and connected by ports 8. 7 to atmosphere and the reservoir 10 is cut off from pipe 9 and is connected by the valve cavity 12 and pipe 13 to the chamber 14 of a control valve device then through an aperture 25 in a partition 26 to a chamber 16 thence to the nozzle 18 of a venturi injector device 19. The compressed air from the reservoir 10 is then supplied to the brake pipe 6 while also increasing the flow of atmospheric air into the pipe through the ports 7, 8. The aperture 25 is initially substantially restricted as shown by the conical part 27 of an obturator rod 24 which is connected to a diaphragm 22 urged to the lefthand by a spring 23. Air under pressure flows through a restricted passage 21 from the chamber 16 to a chamber 20 and moves the diaphragm and the rod 24 gradually to the right so as progressively to increase the effective area of the aperture 25, as the pressure in the reservoir 10 falls. The rate of flow of the compressed air from the reservoir is thus maintained substantially constant. To prevent the pressure in brake cylinders that are near the driver's valve or other point at which the application is made from rising too rapidly, the branch pipe 28 leading to the cylinder may be connected to the brake pipe 6 by oppositely arranged ejector nozzles 30, 31 so that air flowing along the pipe 6 at high speed tends to withdraw air from the branch pipe.
Patent GB-692398-A (GB)
Title: Subdivisible fish room for fishing ships
IPC: B63B3/68
Filed: 1951-07-31
Abstract: 692,398. Fishing vessels. SOC. ANON. POUR L'INDUSTRIE DE L'ALUMINIUM. July 31, 1951. [July 31, 1950] No. 18127/51. Classes 113 (i) and 113 (ii). In a fish room in which a wooden outer wall 2 is lined internally with light metal sheets 15, 16 which are clamped to the wooden wall by means of light metal profile section bars 14, having at least two webs, the clamping is done by at least one, 17, of these webs. A partition 21 attached to the web 20 has, at its end 32 adjacent a middle gangway, pillars 11 having webs 33 parallel to the gangway and webs 34 parallel to the partition for the insertion of removable corrugated intermediate-wall parts. Beams disposed hozontally between intermediate-wall parts 35 36, have webs 37, 38 for supporting intermediate-floor parts.
Patent GB-146310-A (GB)
Title: Apparatus for testing the sighting devices of ordnance
IPC: F41G1/54
Filed: 1920-07-02
Abstract: 146,310. Krupp Akt.-Ges., F. Aug. 10, 1918, [Convention date]. Sights.-Consists of apparatus for testing whether the axes about which the sight is adjusted for range and deflexion are respectively parallel to and perpendicular to the axis of the trunnions, and for testing the graduations of the range and deflexion scales. The apparatus comprises an auxiliary telescope, mounted by a special holder on the gun carriage, acting in conjunction with a collimator mounted on the sight-bar in place of the usual sight. In a modification, the collimator is mounted on the carriage and is used in conjunction with the ordinary sight or with the auxiliary telescope mounted on the sight-bar. In the construction shown, the auxiliary telescope J is mounted on a jointed bracket N<2>, N<3>, N<4> fixed to the carriage C. Fine adjustment screws n<14> and q<3> are provided for setting the direction of the optical axis of the telescope, and fineadjustment screws q<4> for rotating the telescope on its axis to adjust the angular position of the cross-wires i<1>, Fig. 10. The telescope J is used in conjunction with a collimator K, Fig. 8, fixed to the sight-bar G in place of the sight G<1>, Fig. 1. The collimator has cross-wires k<1>, k<2>, Fig. 10, one of which is graduated to show angles, and can be rotated on its axis by fine adjustment screws m<2>, Fig. 9. To test whether the axis d<2> of the sight-bar is parallel to the trunnions, the telescope J and collimator K are first adjusted parallel to the bore of the barrel, the intersections of the cross-wires of the two instruments will then coincide; the sight-bar is then elevated to the maximum amount, and the gun correspondingly elevated to bring the horizontal wires again into coincidence; if the intersections of the cross-wires show lateral displacement, as shown in Fig. 10, the axes of the bar G and trunnions are not parallel and must be adjusted. To test the axis d<4> about which the sight is turned for deflexion, the collimator cross-wires are first adjusted so that when the sight-bar is elevated the intersection of the telescope cross-wires remains on the vertical cross-wire k<2>, the sight-bar is then brought back to zero and deflected; if the intersection of the telescope cross-wires moves off the horizontal wire of the collimator, the axis d<4> is not perpendicular to the axis d<2>. The tangent elevation and deflexion scales are tested by means of the graduated cross-wire k<2> used first vertically and then horizontally.
Patent GB-519568-A (GB)
Title: Improvements in or relating to valves for steam or pressure vessels
IPC: F16K24/00
Filed: 1938-06-20
Abstract: 519,568. Valves. HURST, W. F. F. MARTIN-, BRITISH THERMOSTAT CO., Ltd., DELANEY, C. T., and GALLAY, Ltd. June 20,1938, No. 18279. [Class 135] A relief valve device particularly adapted for use on steam heating systems for aircraft cabins is adapted to relieve excessive pressure or vacuum in the system and also to permit the escape of air from the system during the process of warming up. The air-venting comprises an annular lift valve l secured to a thermal bellows m charged with the same liquid as is used in the system or with one having a slightly lower boiling point. The. thermal bellows is adjustably secured to the lower perforated end of a sleeve e normally held by a spring h with a shoulder f in engagement with a ledge g on a flanged plate b secured to an outer cylindrical casing a. The sleeve e which carries a synthetic rubber seat y for the valve l is secured to the lower end of a bellows j which in turn is fixed to the top of the casing. The pressure and vacuum relief r is housed within the valve l and is normally held closed by a spring u housed in a guide socket s. With excessive vacuum the valve r is lifted away from its seat against the action of the spring u. With excessive pressure the bellows j is compressed against the action of the spring allowing both valves l and r to move upwards until the valve r is unseated by contact with a pin v adjustably secured to the casing cover. This cover is provided with outlet apertures c leading to a discharge conduit d.
Patent GB-830639-A (GB)
Title: Railway signalling system
IPC: B61L1/18
Filed: 1958-06-09
Abstract: 830,639. Railway signalling systems. COMPAGNIE DES FREINS ET SIGNAUX WESTINGHOUSE. June 9, 1958 [June 28, 1957], No. 18326/58. Addition to 830,181. Class 105. The railway signalling system or apparatus of the parent Specification is modified so that the signal is given on train entry by the energization, instead of by the de-energization, of the signal-control relay 13 arising from the coming into action (instead of suppression of action ) of the oscillatory circuit with oscillator (valve or transistor) 12 and feedback 10 connected to the rails which themselves provide part of the inductance of the oscillatory circuit; the connection to the rails is through a transformer 26 the impedance of which as joined to the rails prevents operation of the oscillatory circuit fed at 11 from the oscillator 12. Only when an axle has cut out sufficient of the rail inductance 34, 34<SP>1</SP> or 35, 35<SP>1</SP> is the impedance of the transformer 26 reduced sufficiently for the oscillatory circuit to come into operation and cause the signal control relay 13 to be energized. The condenser 31 in the connection to the rails may be omitted if the system is not one using signalling current in the rails.
Patent GB-1343570-A (GB)
Title: Printers roller bearing for supporting a longitudinally movable part on  another part
IPC: B41J2/255
Filed: 1972-04-20
Abstract: 1343570 Selective printing NIXDORF COMPUTER AG 20 April 1972 [21 April 1971] 18336/72 Heading B6F A mosaic printer comprises a plurality of point printing elements which are staggered in relation to one another in the direction of relative motion between a print head supporting the elements and a record surface, and in the height direction of symbols to be printed. The elements may be located in passages formed by adjacent semi-circular grooves in abuting plates as shown in Fig. 7, and may be in two or more offset rows, or in a diagonal row. The elements may record by impact, electrostatically, or magnetically.
Patent GB-601735-A (GB)
Title: Electric furnace with carbon resistances
IPC: H05B3/64
Filed: 1945-07-18
Abstract: 601,735. Electric resistance furnaces. QUARTZ & SILICE. July 18, 1945, No. 18413. Convention date, July 26, 1944. [Class 39(iii)] Heating elements of resistance furnaces especially for making silica glass or ultrarefractory ceramics comprise graphite rods of diameter between 6mm. and 18mm. disposed vertically and supported at one end only and raised to about 3000‹A. with a current density of about 1,200 amperes per sq. em. of cross section and a radiation of more than 400 watts per sq. cm. of external surface. The rods are suspended at their upper ends and dip into a graphite or metal bath, e.g. mercury or tin or an alloy, the bath being first heated to melt the metal and subsequently cooled. Each rod may be surrounded by a tubular flue through which an inert gas is circulated, heat being radiated from the flue on to the charge, which is maintained in an oxidising atmosphere. The electrodes are removable vertically by a pulley device, and the charge is cooled in an oxidising atmosphere. The rods may be supported at their lower ends and may be connected at their upper ends by a movable light graphite member so that the rods may be connected in series or in star connection.
Patent GB-673308-A (GB)
Title: Improvements in or relating to photographic materials
IPC: G03C1/38
Filed: 1950-07-24
Abstract: 673,308. Photographic light-sensitive materials. DU PONT DE NEMOURS & CO., E. 1. July 24, 1950 [July 26, 1949], No. 18453/50. Class 98 (ii). Photographic material comprises a support, at least one light-sensitive silver halide emulsion layer, and at least one outer water-permeable layer containing a small amount of a compound of the formula wherein R is an alkyl radicle of 4 to 12 carbon atoms, n is 1 or 2, and M is an alkali metal or ammonium radicle. The layer containing the compound may be a light-sensitive silver halide emulsion layer, an antiabrasion layer, or a backing or antihalation layer, and the colloid binder of such layer may be gelatin, albumin, casein, agar-agar, polyvinyl alcohol, hydrolysed ethylene/vinyl acetate copolymer, or polydioxalane. The layer may contain a small amount of glyoxal. In the case of an antihalation layer, a dye or pigment or colloidal silver is also incorporated. Numerous suitable dyes are specified. The material may have emulsion layers, which may be sensitive to different portions of the spectrum, on opposite sides of a support, and the compound of the general formula is included in one or both such emulsion layers. In example 1, a cellulose acetate support is coated with an antihalation layer consisting of an aqueous solution of gelatin containing Nigrosine and sodium ptert. - octyl - phenoxyethoxyethylsulphonate. After drying, a gelatino silver halide emulsion is coated on to the opposite side of the support. In example 2, a gelatino silver halide emulsion on a cellulose acetate support is overcoated with an antiabrasion coating consisting of an aqueous solution of gelatin containing sodium p-tert.- octylphenoxyethoxyethyl sulphonate. In example 3, another gelatino silver halide emulsion is coated on the opposite side of the support of the material of example 2. In example 4, sodium p - tert. - octylphenoxyethoxyethyl sulphonate is added to a gelatino silver halide emulsion coated on a cellulose support. In example 5, cellulose acetate film is coated on one side with an aqueous gelatin solution containing Nigrosine, glyoxal, and sodium p-tert.- octylphenoxyethoxyethyl sulphonate and on the front side with a silver iodobromide emulsion and an antiabrasion coating of the kind described in example 2. The support may also be a baryta- or resin-coated paper, transparentized paper, or polyamide, cellulose nitrate, polyvinyl acetal, cellulose propionate, cellulose mixed ester, cellulose ether, polyester (e.g. polyethylene terephthalate), a copolymer of vinyl chloride with acrylonitrile, styrene, vinyl acetate, or vinyl fluoride, polyvinyl acetate, or polyvinyl fluoride.
Patent GB-713163-A (GB)
Title: Method for effecting the migratory transfer of a photographic image during development
IPC: G03D9/00
Filed: 1949-07-13
Abstract: 713,163. Photographic silver halide transfer methods. OZALID CO., Ltd., and MURRAY, H. D. July 11, 1950 [July 13, 1949]. No. 18540/49. Class 98(2) An operational method of positive image production by migratory transfer of unexposed portions of silver halide from an exposed emulsion layer to transfer material and reduction thereon to silver during development comprises passing a continuous web as of paper coated with a gelatin emulsion containing silver ion precipitants over the top of a roller rotatable in a trough containing developing solution to moisten the coating, conveying the transfer material web over a feed board in such a manner that the moistened surface is turned face upwards,. and passing separate sheets of exposed negative material with emulsion surfaces downwards one after the other on to successive portions in the length of the transfer material web as it passes over the feed board towards the nip of a pair of pressure rollers whereby the two materials are pressed into intimate contact. The transfer material web may then be cut with a knife after the trailing edge of each negative sheet has passed the pressure rollers and the negative sheet discarded.
Patent GB-996325-A (GB)
Title: Improved device for dispensing a metered quantity of additive into a fluid flow
IPC: B01F5/00
Filed: 1962-05-15
Abstract: 996,325. Mixing fluids in flow; dosing apparatus. P. G. TACCHI. April 22, 1963 [May 15, 1962], No. 18587/62. Heading B1C. Apparatus for dosing a flow of primary fluid with a metered quantity of secondary fluid (e.g. water with detergent) comprises a hollow body 10, 11, 12 divided into two chambers 39, 40 by a metal disc 30, 31 and an outer bellows 34. The primary flow passes from the inlet 20 to the outlet 23 by way of orifice 37 in the disc, and passage 25. A spray gun, hose or other device having a flow control valve is connected to the outlet. When the flow control valve is opened the differential pressure created by the orifice 37 causes the disc 30, 31 to move to the right compressing the inner bellows 49 and ejecting a charge of the secondary fluid from the chamber 50 formed therein through the non-return valve 43 into the primary flow. When the flow control valve is closed and the flow ceases, the spring 51 returns the disc 30, 31 to the left and secondary fluid is sucked into the chamber 50 through the passages 27, 28, 29, 46 and non- return valve 47. The orifice 37 is formed in a replaceable plug 36 and may be changed to alter the differential pressure and hence the distance moved by the disc 30, 31 and the total quantity of secondary fluid injected during one operation. The rate at which it is injected may be adjusted by changing the. plug carrying the non-return valve 43 for one having a bore of different size. A non-return valve 52 is provided to prevent back-siphonage in the event of a failure of mains pressure. The secondary fluid may be a gas; both fluids may be the same.
Patent GB-503403-A (GB)
Title: Improvements in or relating to the preparation of pectin
IPC: C08B37/00
Filed: 1937-07-05
Abstract: 503,403. Pectin. SARDIK, Inc., and MYERS, P. B. July 5, 1937, Nos. 18691/37 and 16751/38. [Class 121] [Also in Groups III and VI] A compound which is toxic to bacteria but harmless to the human body is produced by reacting pectin with a salt of nickel, cobalt, lead, manganese, zinc, copper or silver, the amount of salt used being insufficient to destroy the colloidal character of the pectin. The nickel pectinate is more readily dispersible in water or fruit juices than pectin, and may be used instead of pectin, e.g. in making jellies. Medicinally the pectinates may be applied internally, e.g. admixed with cereals, soup, potatoes, milk or other beverages, or externally, e.g. as an aqueous dispersion, or on gauze, or in ointments. Specification 437,683 is referred to. The first Provisional Specification refers also to the production of iron, aluminium, calcium, or magnesium salts.
Patent GB-1298689-A (GB)
Title: A capacitance meausurement circuit
Inventor: EILERSEN NILS AAGE JUUL
IPC: G01R27/26
Filed: 1970-04-20
Abstract: 1298689 Measuring capacitance N A J EILERSEN 20 April 1970 [21 April 1969] 18715/70 Heading G1U In a circuit for producing an output voltage U, Fig. 1, linearly proportional to the difference in capacitance between an unknown capacitor C and a reference capacitor C3, and independent of the power supply Uosc, providing the supply is large enough, each capacitor is shunted, as shown, by two oppositely poled rectifying couplings, D1 and D2, Z1 for the unknown  capacitor C, and D4 and D3, Z2 for the reference capacitor, the second couplings D2, Z1 and D3, Z2 having a common load RG, CG. In operation, if the forward voltages of the diodes and the output voltage are small compared with the Zener voltages, then the potential across the unknown capacitor C will oscillate from O to UZ1 (UZ1 being the Zener voltage of Zener diode Z1) and the potential across the reference capacitor C3 will oscillate from 0 to UZ2. As a result it can be shown that if the coupling capacitors C2 and C4 are equal and if the Zener voltages are equal, then the output voltage U, using an obvious notation, is given by U = RG.f.UZ(C3-C). Because of the difficulty of obtaining matched Zeners a modification is described in which a single Zener diode Z, Fig.2, and two additional diodes D5, D6 replace the original Zeners Z1 and Z2 of Fig.1. By virtue of the additional diodes, and providing the output voltage U is such that U + D6 is less than D3 + D4, where D6, D3 and D4 represent the forward voltages of diodes D6, D3 and D4 respectively, then an output potential U as quoted above will be produced across the load RG, CG. In a further modification, Fig. 3 (not shown) a balanced output is produced, and in a final modification, Fig.4 (not shown) the reference capacitor C3 of Fig.1, and its associated diodes, are omitted and an output which is a linear function of C is produced, which is said to be of use when less accuracy is permissable.
Patent GB-206476-A (GB)
Title: Improvements in or relating to apparatus for cleansing the drums of centrifugal separators or the like
IPC: B04B15/06
Filed: 1923-07-20
Abstract: 206,476. Svensson, K. J., and Norling, K. A. P. Nov. 3, 1922, [Convention date]. Cleaning drums.-Relates to apparatus for cleaning the slime chamber of a centrifugal separator. The assembled drum is secured in a clamp 7 on a pivoted table 2. The table is turned clockwise to bring the drum over a trough 18 into which the liquid contents of the drum are drained. The table is then returned to the position shown and the drum is dismantled and the bulk of the slime is scraped out. Afterwards, the table is turned anti-clockwise to bring the drum in an inverted position over a ring of nozzles 12 which are then raised by a treadle 16 into the drum. The rinsing fluid is admitted by way of a valve 19 and the upward movement of the nozzles is permitted by a flexible portion 11 of the pipe line. Notched pieces 6 serve to lock the handle by which the table is turned.
Patent GB-201180-A (GB)
IPC: F16T1/34
Filed: 1923-07-21
Abstract: 201,180. Basenau, J. F. July 21, 1922, [Convention date]. Steam traps.-In an apparatus for discharging water of condensation from steam piping or the like, a nozzle a is employed for the outlet of water having a conical passage b tapering towards the outlet end c with the object of allowing a maximum of water to escape with a minimum amount of steam. In the construction shown in Fig. 3, the nozzle a is mounted in a casing d having a duct d<2> which is branched on to the steam piping and a discharge duct d<3>. A strainer e prevents access of impurities to the nozzle and a removable plug f facilitates cleaning of the nozzle, while a hand-valve g may be opened to allow the steam to blow out impurities from the strainer e and duct d<2>. Preferably the sides of the conical passage b make an angle of 32¢‹ with the longitudinal axis.
Patent GB-715665-A (GB)
Title: Improvements in or relating to anodes for use in the cathodic protection of metal objects
IPC: C23F13/02
Filed: 1952-07-24
Abstract: 715,665. Anodes for preventing corrosion. CATHODIC CORROSION CONTROL, Ltd., POWELL, H. M., and SPENCER, K. A. July 24, 1953 [July 24, 1952; Oct. 14, 1952], Nos. 18815/52 and 25757/52. Class 123(1) An anode for the cathodic protection of metal objects comprises a block 1 of electrically-conducting material having a cavity 3 in which is inserted a metallic connector in the form of a split tube 2. The block 1 is preferably tubular with a central bore 3 and made of carbon or graphite. The tube 2 is preferably copper or brass. Connecting lugs 6 may be secured to the ends of the tube 2, or, alternatively, the tube 2 is flattened and apertured to provide a convenient connection to an electric cable or another anode. In a modification the tube 2 is disposed in a blind hole in the block 1. In another embodiment, means for ensuring good electrical connection between a split tube 13 and a block 10 comprise a series of rubber discs 15 which, when axially compressed by means of a bolt member 17 and nut 20, expand radially so as to cause the tube 13 to grip more firmly the interior of the anode block.